Salkhua is located in the southern part of
Saharsa District in
Bihar. It is around 26 km south of
Saharsa, the district headquarters.
Kosi River has its course through the region. The archeological site of Viratpur is 24 km north. Ugratara Temple, located at Maheshi, is a another nearby attraction.
Nearest airport is Patna Airport. Simri Bakhtiyarpur Railway Station is the nearest railhead.